do not drink alcohol in excess with cialis. side effects may include headache, upset stomach, delayed backache or muscle ache. to avoid long-term injury, seek immediate medical help for an erection lasting more than four hours. if you have any sudden decrease or loss in hearing or vision, or if you have any allergic reactions such as rash, hives, swelling of the lips, tongue or throat, or difficulty breathing or swallowing, stop taking cialis and get medical help right away. ask your doctor about cialis for daily use and a 30-tablet free trial. >> announcer: this is cnn breaking news. >> and our coverage continues of the man hunt for suspect number 2. a 19-year-old young man. the man hunt is on going here in boston. as we said, a lockdown of a city like anything ever seen before in this country. we want to get the latest on intelligence of exactly where he is and what authorities are looking for. barbara starr has been doing that at the pentagon this morning. barbara? >> reporter: good morning, erin and chris. the u.s. law enfo